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Total

100

DNS

Email

Security

Network

100

Availability

Domainpostgresql.org

IPv41

IPv61

MX records2

StatusActive

Domain technical report

PostgreSQL: The world's most advanced open source database

postgresql.org

The official site for PostgreSQL, the world's most advanced open source database

Generated: 2026-08-08T18:07:35-05:00 · Cached result

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IPv41

IPv61

MX2

NS4

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

1 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

4 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

✓

DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

✓

CAA policy5 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

2 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

DKIM0 / 20 pts · Mail

No tested DKIM selector responded.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

83 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: 50.48-63.149.196.217.in-addr.arpa

IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓

IPv6 connectivity35 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓

HTTP response40 / 40 pts · Availability

HTTP/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

217.196.149.50

AAAA

1 record(s)

2a02:16a8:dc51::50

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

10 makus.postgresql.org.
10 magus.postgresql.org.

TXT

3 record(s)

"google-site-verification=aJB1lOnlG5TA0HgpZU-iKIQD6qPMWqUnkzanzern8eU"
"libera-BVY4G2rs94vmQBA94rNesqCh"
"v=spf1 include:_spf.postgresql.org ~all"

NS

4 record(s)

ns1.postgresql.org.
ns2.postgresql.org.
ns4.postgresql.org.
ns3.postgresql.org.

SOA

1 record(s)

ns1.postgresql.org. hostmaster.postgresql.org. 2026080705 10800 3600 604800 300

CAA

3 record(s)

0 iodef "mailto:hostmaster@postgresql.org"
0 issue "letsencrypt.org"
0 issue "amazontrust.com"

DS

1 record(s)

45514 8 2 F6DF1C65A07836A2F99C3B91809B46037E8827086FF11D8F903DA560 97F830D0

DNSKEY

2 record(s)

257 3 8 AwEAAcckqqz8Pi1wTfg8iUrbQ9ZFD9jIIyCyn4UYIOiVDNrw6L9Yl8UA eGr44swh/INHyMXcE+gT3UO6aFBrN4n6FfG34ZEAmiumI9T9YF3hi+Mq pu1Xg52YrfxVsgWfqPgGh9iphtypf9Cu7Q8WC2k+wEXUszRLtmowbRBj NeVyz/Te+xlKCi6NGucqrRN2jHS28E6048kqBG+/ixncxcPEUKEs7XCU ONhor4p9xsLF94LJAA8KzOl9b3cH8Z2xyWSPpfZw1lB8aDafOnG+EDmS 3od2TUn1Za4MInt+NAmhdLW+UviA6PJnVGovRikkIerfWg6eiAPuHtji otCxrxU2qjU=
256 3 8 AwEAAdpxkEzLkh3Rjjr8fBzjE3VYXxZa6VqWPjUre27FqSIbt19pmx0s ZITKfhl9bfNM3ipwlTx2xhYLWpW71bLXSnzkYxToyWKLipyFQPkGBP3g 75/k6PnAi9V9s6uM3e2+sy4b5MjXoyISMimMDGjnNMsUOVXndGAnMzTg XDbuVi9f

RRSIG

5 record(s)

A 8 2 1800 20260820000000 20260730000000 43845 postgresql.org. rERXSPom/he6YpCCP+qUp9dK0ZJ2TUZtvuK+wHcud+51BKoc4flwySYZ SeoSUcgtttfQZ+KibY56rAsem+gPrnYMCMZGdWmfnrwEe3DBfJSZBP/+ uC8kU4aF+qfWf8/9qkJa4ABHyahxQvKGGDSt7cjrXsYN/lv4odp5E0iN xpA=
NS 8 2 1800 20260820000000 20260730000000 43845 postgresql.org. zkdr/kvqn1MHQbO/8Oax5G+3TybR+4K3hlRXF/ydl99doEleaVLELeSQ MpgYbPfUpRjvDBO//Dq5ucE575M72SOF6lwnaJQYoYUk7xTbWnm5qE6z i2BToWygX50NC9pSYYZ772JOANEV+tBfdXeWaUKvZZgZHW6eAA1yIN3n 0Qk=
AAAA 8 2 1800 20260820000000 20260730000000 43845 postgresql.org. Eu0J4TYV1Th5LS1lopa4EPTxeJ+LZd3C8wKy1xTDLNm4L1UacTQUl2+z 3WdN7qj2Ev1FI7xHmhm5o+00+di7MMblVBL20rTCKwa76tTmzmw50o/e V3B5IK3qVYbjf2vQjhNll9tzfPmT+nDntUucaHpXMZYwn1KCnrLiI8uO V6Q=
DS 8 2 3600 20260822152352 20260801142352 44925 org. Sust+EqnL6nGsk3RDacg2rQS0XN/JaeZMfLte3O6J+GIPrCyqO61vaTl qjWCd4xjH8lfH2vPV0b2OOR4Cf9IvmPufQ/z1zL6d2soURmHDfsU5cYy iUJ9x+/vpqPDXQjkhgq9eq+s9UrsNtvgjm9z9yQqkw6FtDYISsWDWiRh Ulc=
CAA 8 2 1800 20260820000000 20260730000000 43845 postgresql.org. cLe36ma2+vy+l8xyj1dx7E89ahQCl5B9J951fNvXnO9ubcpy4R7t0+X7 Lmv34kSUoEy+5XwKE6PZH3b2WIf5pivU9H4DjLPODLG8994wtYh56T4k s4zG3o9Xarq0dloRDxODAedW0NDv3JJTWso4gI+r5FFQqJPaHTjUt1Pr Tmk=

NSEC

0 record(s)

—

Not configured

NSEC3

0 record(s)

—

Not configured

SRV

0 record(s)

—

Not configured

NAPTR

0 record(s)

—

Not configured

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 include:_spf.postgresql.org ~all

DMARC

Configured

v=DMARC1; p=none; ruf=mailto:dmarc@postgresql.org; fo=1; adkim=r; aspf=r; rf=afrf; ri=86400

DKIM

Not found

—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

PostgreSQL: The world's most advanced open source database

Description

The official site for PostgreSQL, the world's most advanced open source database

Final URL

https://www.postgresql.org/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://www.postgresql.org/

Version

Server

nginx

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

www.postgresql.org

Valid from

2026-08-01T19:09:09-05:00

Valid until

2026-10-30T19:09:08-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

4 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

—

X-Content-Type-OptionsNot detected

✓

X-Frame-OptionsImplemented

—

Referrer PolicyNot detected

—

Permissions PolicyNot detected

✓

Cross-Origin-Opener-PolicyImplemented

—

Cross-Origin-Embedder-PolicyNot detected

—

Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

217.196.149.50

33,05 ms

Cloudflare

1.1.1.1

217.196.149.50

23,48 ms

Quad9

9.9.9.9

217.196.149.50

25,75 ms

OpenDNS

208.67.222.222

217.196.149.50

142,06 ms

AdGuard

94.140.14.14

217.196.149.50

47,46 ms

IP, geolocation and ASNAssociated network information

217.196.149.50

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

makus.postgresql.org

Port 25: Closed/unreachable - 24.6 ms - 
Port 465: Closed/unreachable - 4030.1 ms - 
Port 587: Closed/unreachable - 4020.3 ms -

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